CN203717986U - Pneumatic high-pressure flat gate valve - Google Patents
Pneumatic high-pressure flat gate valve Download PDFInfo
- Publication number
- CN203717986U CN203717986U CN201420023690.8U CN201420023690U CN203717986U CN 203717986 U CN203717986 U CN 203717986U CN 201420023690 U CN201420023690 U CN 201420023690U CN 203717986 U CN203717986 U CN 203717986U
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- Prior art keywords
- piston
- valve
- sleeve
- land
- chamber
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- Expired - Fee Related
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 2
- 239000000945 filler Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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- Fluid-Driven Valves (AREA)
Abstract
The utility model relates to the technical field of devices for opening and closing pipes with water or steam as the media, particularly to a pneumatic high-pressure flat gate valve. The pneumatic high-pressure flat gate valve can achieve rapid opening and closing and comprises a valve body, a valve rod and a controller. A valve cavity is formed inside the valve body, the valve body is provided with an inflow channel and an outflow channel, the valve core is arranged inside the valve cavity, and the controller comprises an air pump, a pneumatic rod, a lower press cover, an upper press cover, a first piston, a second piston, a spring, a sleeve, a connecting plate, an upper connecting rack and a lower connecting rack.
Description
Technical field
It is the technical field of the device of opening or closing on water or steam line that the utility model relates to for medium, particularly relates to a kind of pneumatic high-voltage plate valve.
Background technique
As everyone knows, plate valve is that a kind of closure member is the slide-valve of parallel gate plate, be widely used in industrial field, and pneumatic high-voltage plate valve is the one in plate valve; Existing pneumatic high-voltage plate valve adopts diaphragm type or piston cylinder.By the source of the gas of certain pressure, control cylinder band movable valve carries out opening and closing action; Diaphragm type cylinder exists that stroke is little, internal membrane is fragile, and pot type piston cylinder also exists the situation that thrust is inadequate.
Model utility content
For solving the problems of the technologies described above, the utility model provide a kind of opening and closing fast pneumatic high-voltage plate valve.
Pneumatic high-voltage plate valve of the present utility model, comprise valve body, valve rod and controller, the inside of described valve body is provided with valve pocket, on described valve body, be provided with flow channel and flow pass, described flow channel and flow pass are all communicated with valve pocket, in described valve pocket, be provided with spool, the bottom of described valve rod is passed valve body and is stretched in valve pocket and is connected with spool, described controller comprises air pump, air-leg, lower cover, upper press cover, first piston, the second piston, spring, sleeve, land, upper link press span and lower link press span, the top of described sleeve is connected with upper press cover, the bottom of described sleeve is connected with lower cover, described land is arranged in described sleeve, and the left end of described land and right-hand member all extend out to outside sleeve, the top of described lower link press span is connected with lower cover, the bottom of described lower link press span is connected with valve body, the bottom of described upper link press span is connected with upper press cover, the bottom of described air-leg is connected with valve rod, the top of described air-leg extend out to the outside of link press span, described first piston and the second piston are installed on described air-leg, and described first piston and the second piston are all positioned at sleeve inner, described first piston is between lower cover and land, described the second piston is between upper press cover and land, and the top of spring is connected with the inner roof wall of upper link press span, the bottom of spring is connected with the second piston, between described first piston and lower cover and sleeve lining, form the first chamber, between described first piston and land and sleeve lining, form the second chamber, between described the second piston and land and sleeve lining, form the 3rd chamber, between described the second piston and upper press cover and sleeve lining, form the 4th chamber, on described land and lower cover, be respectively arranged with the first suction port and the second suction port, on described land, be provided with air outlet, one end of described the first suction port is communicated with air pump, the other end of described the first suction port is communicated with the 3rd chamber, one end of described the second suction port is communicated with air pump, the other end of described the second suction port is communicated with the first chamber, one end of described air outlet is communicated with the second chamber, the other end of described air outlet communicates with the external world.
Pneumatic high-voltage plate valve of the present utility model, links together by contiguous block between the bottom of described air-leg and valve rod.
Pneumatic high-voltage plate valve of the present utility model, described upper press cover and lower cover are all fixed by screw and sleeve.
Compared with prior art the beneficial effects of the utility model are: by above-mentioned setting, can move by first piston and the second piston simultaneously, reasoning is larger, when air pump is opened, the air inlet simultaneously of the first suction port and the second suction port, overcomes the elastic force of spring, drives first piston and the second piston to move upward simultaneously, when first piston and the second piston driving air-leg, overcome the frictional force between frictional force and valve rod and the filler of valve clack sealing surface with ovable valve stem, make valve opening; While closing, by air outlet Exhaust Gas, close rapidly at the active force lower valve of spring, realize quick closing valve.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
Below in conjunction with drawings and Examples, embodiment of the present utility model is described in further detail.Following examples are used for illustrating the utility model, but are not used for limiting scope of the present utility model.
As shown in Figure 1, pneumatic high-voltage plate valve of the present utility model, comprise valve body 1, valve rod 2 and controller, the inside of valve body is provided with valve pocket, on valve body, be provided with flow channel 3 and flow pass 4, flow channel and flow pass are all communicated with valve pocket, are provided with spool 5 in valve pocket, and the bottom of valve rod is passed valve body and stretched in valve pocket and is connected with spool, controller comprises air pump, air-leg 6, lower cover 7, upper press cover 8, first piston 9, the second piston 10, spring 11, sleeve 12, land 13, upper link press span 14 and lower link press span 15, the top of sleeve is connected with upper press cover, the bottom of sleeve is connected with lower cover, land is arranged in sleeve, and the left end of land and right-hand member all extend out to outside sleeve, the top of lower link press span is connected with lower cover, the bottom of lower link press span is connected with valve body, the bottom of upper link press span is connected with upper press cover, the bottom of air-leg is connected with valve rod, the top of air-leg extend out to the outside of link press span, first piston and the second piston are installed on air-leg, and first piston and the second piston are all positioned at sleeve inner, first piston is between lower cover and land, the second piston is between upper press cover and land, and the top of spring is connected with the inner roof wall of upper link press span, the bottom of spring is connected with the second piston, between first piston and lower cover and sleeve lining, form the first chamber 16, between first piston and land and sleeve lining, form the second chamber 17, between the second piston and land and sleeve lining, form the 3rd chamber 18, between the second piston and upper press cover and sleeve lining, form the 4th chamber 19, on land and lower cover, be respectively arranged with the first suction port and the second suction port 21, on land, be provided with air outlet 22, one end of the first suction port is communicated with air pump, the other end of the first suction port is communicated with the 3rd chamber, one end of the second suction port is communicated with air pump, the other end of the second suction port is communicated with the first chamber, one end of air outlet is communicated with the second chamber, the other end of air outlet communicates with the external world, by above-mentioned setting, can move by first piston and the second piston simultaneously, reasoning is larger, when air pump is opened, the air inlet simultaneously of the first suction port and the second suction port, overcomes the elastic force of spring, drives first piston and the second piston to move upward simultaneously, when first piston and the second piston driving air-leg, overcome the frictional force between frictional force and valve rod and the filler of valve clack sealing surface with ovable valve stem, make valve opening, while closing, by air outlet Exhaust Gas, close rapidly at the active force lower valve of spring, realize quick closing valve.
Pneumatic high-voltage plate valve of the present utility model, links together by contiguous block 23 between the bottom of air-leg and valve rod.
Pneumatic high-voltage plate valve of the present utility model, upper press cover and lower cover are all fixed by screw and sleeve.
The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art; do not departing under the prerequisite of the utility model know-why; can also make some improvement and modification, these improve and modification also should be considered as protection domain of the present utility model.
Claims (3)
1. a pneumatic high-voltage plate valve, comprise valve body, valve rod and controller, the inside of described valve body is provided with valve pocket, on described valve body, be provided with flow channel and flow pass, described flow channel and flow pass are all communicated with valve pocket, in described valve pocket, be provided with spool, the bottom of described valve rod is passed valve body and is stretched in valve pocket and is connected with spool, it is characterized in that, described controller comprises air pump, air-leg, lower cover, upper press cover, first piston, the second piston, spring, sleeve, land, upper link press span and lower link press span, the top of described sleeve is connected with upper press cover, the bottom of described sleeve is connected with lower cover, described land is arranged in described sleeve, and the left end of described land and right-hand member all extend out to outside sleeve, the top of described lower link press span is connected with lower cover, the bottom of described lower link press span is connected with valve body, the bottom of described upper link press span is connected with upper press cover, the bottom of described air-leg is connected with valve rod, the top of described air-leg extend out to the outside of link press span, described first piston and the second piston are installed on described air-leg, and described first piston and the second piston are all positioned at sleeve inner, described first piston is between lower cover and land, described the second piston is between upper press cover and land, and the top of spring is connected with the inner roof wall of upper link press span, the bottom of spring is connected with the second piston, between described first piston and lower cover and sleeve lining, form the first chamber, between described first piston and land and sleeve lining, form the second chamber, between described the second piston and land and sleeve lining, form the 3rd chamber, between described the second piston and upper press cover and sleeve lining, form the 4th chamber, on described land and lower cover, be respectively arranged with the first suction port and the second suction port, on described land, be provided with air outlet, one end of described the first suction port is communicated with air pump, the other end of described the first suction port is communicated with the 3rd chamber, one end of described the second suction port is communicated with air pump, the other end of described the second suction port is communicated with the first chamber, one end of described air outlet is communicated with the second chamber, the other end of described air outlet communicates with the external world.
2. pneumatic high-voltage plate valve as claimed in claim 1, is characterized in that, between the bottom of described air-leg and valve rod, links together by contiguous block.
3. pneumatic high-voltage plate valve as claimed in claim 1, is characterized in that, described upper press cover and lower cover are all fixed by screw and sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023690.8U CN203717986U (en) | 2014-01-15 | 2014-01-15 | Pneumatic high-pressure flat gate valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420023690.8U CN203717986U (en) | 2014-01-15 | 2014-01-15 | Pneumatic high-pressure flat gate valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203717986U true CN203717986U (en) | 2014-07-16 |
Family
ID=51157137
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420023690.8U Expired - Fee Related CN203717986U (en) | 2014-01-15 | 2014-01-15 | Pneumatic high-pressure flat gate valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203717986U (en) |
-
2014
- 2014-01-15 CN CN201420023690.8U patent/CN203717986U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140716 Termination date: 20200115 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |